mirror of
https://github.com/jesseduffield/lazygit.git
synced 2025-04-04 22:34:39 +02:00
move into undoing file
This commit is contained in:
Jesse Duffield
parent
6b3ea56add
commit
30a5d1b486
@ -1,8 +1,6 @@
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package gui
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import (
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"regexp"
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"github.com/jesseduffield/gocui"
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"github.com/jesseduffield/lazygit/pkg/commands"
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"github.com/jesseduffield/lazygit/pkg/gui/presentation"
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@ -101,161 +99,3 @@ func (gui *Gui) handleCreateReflogResetMenu(g *gocui.Gui, v *gocui.View) error {
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return gui.createResetMenu(commit.Sha)
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}
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const (
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USER_ACTION = iota
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UNDO
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REDO
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)
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type reflogAction struct {
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regexStr string
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action func(match []string, commitSha string, waitingStatus string, envVars []string, isUndo bool) error
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kind int
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}
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func (gui *Gui) reflogActions() []reflogAction {
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return []reflogAction{
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{
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regexStr: `^checkout: moving from ([\S]+) to ([\S]+)`,
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kind: USER_ACTION,
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action: func(match []string, commitSha string, waitingStatus string, envVars []string, isUndo bool) error {
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branchName := match[2]
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if isUndo {
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branchName = match[1]
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}
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return gui.handleCheckoutRef(branchName, handleCheckoutRefOptions{
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WaitingStatus: waitingStatus,
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EnvVars: envVars,
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},
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)
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},
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},
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{
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regexStr: `^commit|^rebase -i \(start\)|^reset: moving to|^pull`,
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kind: USER_ACTION,
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action: func(match []string, commitSha string, waitingStatus string, envVars []string, isUndo bool) error {
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return gui.handleHardResetWithAutoStash(commitSha, handleHardResetWithAutoStashOptions{EnvVars: envVars, WaitingStatus: waitingStatus})
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},
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},
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{
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regexStr: `^\[lazygit undo\]`,
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kind: UNDO,
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},
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{
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regexStr: `^\[lazygit redo\]`,
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kind: REDO,
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},
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}
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}
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func (gui *Gui) reflogUndo(g *gocui.Gui, v *gocui.View) error {
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return gui.iterateUserActions(func(match []string, reflogCommits []*commands.Commit, reflogIdx int, action reflogAction, counter int) (bool, error) {
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if counter == -1 {
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prevCommitSha := ""
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if len(reflogCommits)-1 >= reflogIdx+1 {
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prevCommitSha = reflogCommits[reflogIdx+1].Sha
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}
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return true, action.action(match, prevCommitSha, gui.Tr.SLocalize("UndoingStatus"), []string{"GIT_REFLOG_ACTION=[lazygit undo]"}, true)
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} else {
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return false, nil
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}
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})
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}
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func (gui *Gui) reflogRedo(g *gocui.Gui, v *gocui.View) error {
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return gui.iterateUserActions(func(match []string, reflogCommits []*commands.Commit, reflogIdx int, action reflogAction, counter int) (bool, error) {
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if counter == 0 {
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return true, action.action(match, reflogCommits[reflogIdx].Sha, gui.Tr.SLocalize("RedoingStatus"), []string{"GIT_REFLOG_ACTION=[lazygit redo]"}, false)
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} else if counter < 0 {
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return true, nil
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} else {
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return false, nil
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}
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})
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}
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func (gui *Gui) iterateUserActions(onUserAction func(match []string, reflogCommits []*commands.Commit, reflogIdx int, action reflogAction, counter int) (bool, error)) error {
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reflogCommits := gui.State.ReflogCommits
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counter := 0
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for i, reflogCommit := range reflogCommits {
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for _, action := range gui.reflogActions() {
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re := regexp.MustCompile(action.regexStr)
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match := re.FindStringSubmatch(reflogCommit.Name)
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if len(match) == 0 {
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continue
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}
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switch action.kind {
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case UNDO:
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counter++
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case REDO:
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counter--
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case USER_ACTION:
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counter--
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shouldReturn, err := onUserAction(match, reflogCommits, i, action, counter)
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if err != nil {
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return err
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}
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if shouldReturn {
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return nil
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}
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}
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}
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}
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return nil
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}
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type handleHardResetWithAutoStashOptions struct {
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WaitingStatus string
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EnvVars []string
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}
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// only to be used in the undo flow for now
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func (gui *Gui) handleHardResetWithAutoStash(commitSha string, options handleHardResetWithAutoStashOptions) error {
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// if we have any modified tracked files we need to ask the user if they want us to stash for them
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dirtyWorkingTree := false
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for _, file := range gui.State.Files {
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if file.Tracked {
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dirtyWorkingTree = true
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break
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}
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}
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reset := func() error {
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if err := gui.resetToRef(commitSha, "hard", commands.RunCommandOptions{EnvVars: options.EnvVars}); err != nil {
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return gui.createErrorPanel(gui.g, err.Error())
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}
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return nil
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}
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if dirtyWorkingTree {
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// offer to autostash changes
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return gui.createConfirmationPanel(gui.g, gui.getBranchesView(), true, gui.Tr.SLocalize("AutoStashTitle"), gui.Tr.SLocalize("AutoStashPrompt"), func(g *gocui.Gui, v *gocui.View) error {
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return gui.WithWaitingStatus(options.WaitingStatus, func() error {
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if err := gui.GitCommand.StashSave(gui.Tr.SLocalize("StashPrefix") + commitSha); err != nil {
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return gui.createErrorPanel(g, err.Error())
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}
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if err := reset(); err != nil {
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return err
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}
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if err := gui.GitCommand.StashDo(0, "pop"); err != nil {
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if err := gui.refreshSidePanels(g); err != nil {
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return err
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}
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return gui.createErrorPanel(g, err.Error())
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}
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return gui.refreshSidePanels(g)
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})
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}, nil)
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}
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return gui.WithWaitingStatus(options.WaitingStatus, func() error {
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if err := reset(); err != nil {
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return err
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}
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return gui.refreshSidePanels(gui.g)
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})
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}
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176
pkg/gui/undoing.go
Normal file
176
pkg/gui/undoing.go
Normal file
@ -0,0 +1,176 @@
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package gui
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import (
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"regexp"
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"github.com/jesseduffield/gocui"
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"github.com/jesseduffield/lazygit/pkg/commands"
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)
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// Quick summary of how this all works:
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// when you want to undo or redo, we start from the top of the reflog and work
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// down until we've reached the last user-initiated reflog entry that hasn't already been undone
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// we then do the reverse of what that reflog describes.
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// When we do this, we create a new reflog entry, and tag it as either an undo or redo
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// Then, next time we want to undo, we'll use those entries to know which user-initiated
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// actions we can skip. E.g. if I do do three things, A, B, and C, and hit undo twice,
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// the reflog will read UUCBA, and when I read the first two undos, I know to skip the following
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// two user actions, meaning we end up undoing reflog entry C. Redoing works in a similar way.
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const (
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USER_ACTION = iota
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UNDO
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REDO
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)
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type reflogAction struct {
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regexStr string
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action func(match []string, commitSha string, waitingStatus string, envVars []string, isUndo bool) error
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kind int
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}
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func (gui *Gui) reflogActions() []reflogAction {
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return []reflogAction{
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{
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regexStr: `^checkout: moving from ([\S]+) to ([\S]+)`,
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kind: USER_ACTION,
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action: func(match []string, commitSha string, waitingStatus string, envVars []string, isUndo bool) error {
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branchName := match[2]
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if isUndo {
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branchName = match[1]
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}
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return gui.handleCheckoutRef(branchName, handleCheckoutRefOptions{
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WaitingStatus: waitingStatus,
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EnvVars: envVars,
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},
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)
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},
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},
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{
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regexStr: `^commit|^rebase -i \(start\)|^reset: moving to|^pull`,
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kind: USER_ACTION,
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action: func(match []string, commitSha string, waitingStatus string, envVars []string, isUndo bool) error {
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return gui.handleHardResetWithAutoStash(commitSha, handleHardResetWithAutoStashOptions{EnvVars: envVars, WaitingStatus: waitingStatus})
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},
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},
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{
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regexStr: `^\[lazygit undo\]`,
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kind: UNDO,
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},
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{
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regexStr: `^\[lazygit redo\]`,
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kind: REDO,
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},
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}
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}
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func (gui *Gui) reflogUndo(g *gocui.Gui, v *gocui.View) error {
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return gui.iterateUserActions(func(match []string, reflogCommits []*commands.Commit, reflogIdx int, action reflogAction, counter int) (bool, error) {
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if counter == -1 {
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prevCommitSha := ""
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if len(reflogCommits)-1 >= reflogIdx+1 {
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prevCommitSha = reflogCommits[reflogIdx+1].Sha
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}
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return true, action.action(match, prevCommitSha, gui.Tr.SLocalize("UndoingStatus"), []string{"GIT_REFLOG_ACTION=[lazygit undo]"}, true)
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} else {
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return false, nil
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}
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})
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}
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func (gui *Gui) reflogRedo(g *gocui.Gui, v *gocui.View) error {
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return gui.iterateUserActions(func(match []string, reflogCommits []*commands.Commit, reflogIdx int, action reflogAction, counter int) (bool, error) {
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if counter == 0 {
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return true, action.action(match, reflogCommits[reflogIdx].Sha, gui.Tr.SLocalize("RedoingStatus"), []string{"GIT_REFLOG_ACTION=[lazygit redo]"}, false)
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} else if counter < 0 {
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return true, nil
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} else {
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return false, nil
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}
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})
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}
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func (gui *Gui) iterateUserActions(onUserAction func(match []string, reflogCommits []*commands.Commit, reflogIdx int, action reflogAction, counter int) (bool, error)) error {
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reflogCommits := gui.State.ReflogCommits
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counter := 0
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for i, reflogCommit := range reflogCommits {
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for _, action := range gui.reflogActions() {
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re := regexp.MustCompile(action.regexStr)
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match := re.FindStringSubmatch(reflogCommit.Name)
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if len(match) == 0 {
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continue
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}
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switch action.kind {
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case UNDO:
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counter++
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case REDO:
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counter--
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case USER_ACTION:
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counter--
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shouldReturn, err := onUserAction(match, reflogCommits, i, action, counter)
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if err != nil {
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return err
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}
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if shouldReturn {
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return nil
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}
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}
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}
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}
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return nil
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}
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type handleHardResetWithAutoStashOptions struct {
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WaitingStatus string
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EnvVars []string
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}
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// only to be used in the undo flow for now
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func (gui *Gui) handleHardResetWithAutoStash(commitSha string, options handleHardResetWithAutoStashOptions) error {
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// if we have any modified tracked files we need to ask the user if they want us to stash for them
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dirtyWorkingTree := false
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for _, file := range gui.State.Files {
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if file.Tracked {
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dirtyWorkingTree = true
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break
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}
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}
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reset := func() error {
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if err := gui.resetToRef(commitSha, "hard", commands.RunCommandOptions{EnvVars: options.EnvVars}); err != nil {
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return gui.createErrorPanel(gui.g, err.Error())
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}
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return nil
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}
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if dirtyWorkingTree {
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// offer to autostash changes
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return gui.createConfirmationPanel(gui.g, gui.getBranchesView(), true, gui.Tr.SLocalize("AutoStashTitle"), gui.Tr.SLocalize("AutoStashPrompt"), func(g *gocui.Gui, v *gocui.View) error {
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return gui.WithWaitingStatus(options.WaitingStatus, func() error {
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if err := gui.GitCommand.StashSave(gui.Tr.SLocalize("StashPrefix") + commitSha); err != nil {
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return gui.createErrorPanel(g, err.Error())
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}
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if err := reset(); err != nil {
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return err
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}
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if err := gui.GitCommand.StashDo(0, "pop"); err != nil {
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if err := gui.refreshSidePanels(g); err != nil {
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return err
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}
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return gui.createErrorPanel(g, err.Error())
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}
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return gui.refreshSidePanels(g)
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})
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}, nil)
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}
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return gui.WithWaitingStatus(options.WaitingStatus, func() error {
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if err := reset(); err != nil {
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return err
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}
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return gui.refreshSidePanels(gui.g)
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})
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}
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